always lowercase terminal name. debug messages for blessed-telnet.

example/blessed-telnet.js

@@ -25,6 +25,10 @@ var server = telnet.createServer(function(client) {
   client.do.window_size();
   client.do.environment_variables();
 
+  client.on('debug', function(msg) {
+    console.error(msg);
+  });
+
   client.on('environment variables', function(data) {
     if (data.command === 'sb' && data.name === 'TERM') {
       screen.terminal = data.value;

lib/program.js

@@ -71,6 +71,8 @@ function Program(options) {
     || process.env.TERM
     || (process.platform === 'win32' ? 'windows-ansi' : 'xterm');
 
+  this._terminal = this._terminal.toLowerCase();
+
   // OSX
   this.isOSXTerm = process.env.TERM_PROGRAM === 'Apple_Terminal';
   this.isiTerm2 = process.env.TERM_PROGRAM === 'iTerm.app'
@@ -308,7 +310,7 @@ Program.prototype.__defineSetter__('terminal', function(terminal) {
 });
 
 Program.prototype.setTerminal = function(terminal) {
-  this._terminal = terminal;
+  this._terminal = terminal.toLowerCase();
   delete this._tputSetup;
   this.setupTput();
 };

lib/tput.js

@@ -46,6 +46,8 @@ function Tput(options) {
     || process.env.TERM
     || (process.platform === 'win32' ? 'windows-ansi' : 'xterm');
 
+  this.terminal = this.terminal.toLowerCase();
+
   this.debug = options.debug;
   this.padding = options.padding;
   this.extended = options.extended;